MONROE STRUT-MATE BOOT KIT -- Consists of a heavy-duty construction dust boot, a soft entry jounce bumper, a unique boot bumper attachment, and a zip tie; The dust boot protects your strut from dirt and debris and features a self-draining design that eliminates moisture and other unwanted contaminants that can cause strut rod rust and corrosion; The jounce bumper is made of extremely durable closed cell micro-cellular urethane to cushion against severe impacts and help prevent strut failure; The boot bumper attachment makes it easier to install the bumper with the boot, and the tie strap reliably secures the boot to the strut housing; All in all, this kit offers maximum rod protection and improved strut life.